[71] FISHERIES OF THE UNITED STATES. 457 



SPHYRNIDJE. 



158. Reniceps tiburo (L.) Gill. Shovel-nose Shark; Bonnet 



Head. 

 Atlantic Ocean, abundant off the coast of the Southern 

 United States ; the species ranges northward to Cape 

 Cod. 



30687. Pensacola, Florida. Silas Steams. 



GALEORHINIDJE. 



159. Scoliodon terrae-novaae (Rich.) Gill. Sharp-nosed 



Shark. 



Atlantic Ocean from Newfoundland to South America; 

 abundant off the coast of the Southern United States. 



The species was originally described from Newfound- 

 land, but has not recently been observed so far north 

 This is one of the small sharks. 



30706. Pensacola, Florida. Silas Stearns. 



GENERA OF FRESH-WATER FISHES. 



SYNGNATHID^E. 



Genus SIPHOSTOMA Rafmesque. 



1. Siphostoma affiaie (Giinther) Jor. & Gilb. Pipe-fish. 



Saint John's River, East Florida ; Gulf of Mexico. 

 30827. $ & 9 . Pensacola, Florida. Jordan & Stearns. 



GASTEROSTEID^E. 

 Genus GASTEROSTEUS Linne\ 



Subgenus Gasterostetjs. 



3. Crasterostens microcephaltis Girard. Naked Stickle- 

 back. 

 Pacific coast of the United States; Alaska north to 



Unalashka ; everywhere ascending streams. 

 At Sitka we found Salmo purpuratus in a small lake 

 feeding upon this species. 

 7814. San Francisco, California. W. H. Dall. 



Subgenus Etjcalta Jordan. 



